Shovel-tooth.



No. 888,256. PATENTED MAY 19, 1908.

J. A. PARSONS. SHOVEL TOOTH.

APPLICATION FILED FEB. 15, 1908.

UNLLTED JAMES A. PARSONS OF (,lHHj'AGO, lLllINOIS SHO VE L-TOO TH.

Application filed February 15. 1998.

To all whom it may concern:

Be it known that 1, JAMES A. IJARSUNS, citizen of the United States, residing at Chicage, in the county of Cool; and State of :lllinois, have invented cer ain new and useful Improvements in Sl1OV--T eeth, of which the following is a specification.

This invention is a tooth for the shovels 01' scoops of excavators, and has for its object to provide improved means for fastening the tooth to the shovel, Without the use of bolts or screws, and in such manner thnt the tooth can he readily removed and teeth of other shapes quickly substituted, according to the kind of material to he excm'nt .l. The absence of l'estenings such as holis or rivets is advantageous iwcnnsesnch [ostenings ordinarily become quickly rorn out and. cause the tooth to become loose nnd are gen erally troublesome.

In my Patent, N closed a tooth suitable for use on hard material. The present invention iso tooth pm ticulorly in opted for use on sol'tcr material, such as (iii 2, cool and the like.

The in is illustrated in the accompont" lrnwings, in -which Figure i is top pl n View or the tooth. Fig. .3 9 de VUW.

: is 2 central vorn'nri I specific-al lo the drawings, the :c l;

on tumor jnw (3, e

. er pin inn:

it cirenlel s t piece E) which prince-rs lo won of. the .ioni end or the Shrink Specification of 'Le'bters Patent.

and which tapers slightly toward Patented May 19, 1908.

Serial No. 416.0d5.

the front. This shank is or may he the some one shown and described in my pntenl ehovc .relerred to.

The point or tooth is indicated at 10, and this has in its remend a socket l2 slightly tapered to lit over the tenon or projection 9, and the further on the point driven the tighter it becomes. All i upper edge ihc pi t has onronrwnrdly projecting lip 11 and prevents the point from turning or twisting from its regular or proper position. The point is tapered at the front, and the side having the greatest angle will as n. rule be plnccd uppermost, as shown.

The point can he removed or knocked oil by a, few strokes of :1 lnnnnier, end a new ooinl nil in place without trouble or delay Che nihsenco produced.

i claim: A shovel tooth conlprisin :1 sl'nmk having; :1, iopercd 'projecti-jin t the lront, node point having :i socket in the i 1' end in which sand projcctirm lite, nod 11 lin projecting from the rear of jhe point mn ging over th shank: io prevent turn oi the point.

tiinon W or I oil's; my signature.

two witnesses.

h engages over the shank of the tooth of nuts, bolts, scrwv-threm'ls 5 and the like ennhles the teeth to he cheaply 5454,3 38 there IS (llS- 

